As I mentioned above, it is caused by a bug in the 64_micmute.patch
patch that Ubuntu add to this package. This problem is entirely
Ubuntu's own making!
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I also have this problem with Ubuntu 12.04.4 LTS. I have just down-
graded gnome-settings-daemon to 3.4.1-0ubuntu1 (the only other version
apt-cache showed me) and restarted, and this has fixed the issue.
Volume up/down/mute all fail to work with 3.4.2-0ubuntu0.6.6 - these
keys appear ignored (tho
** Attachment added: "Log from gnome-settings-daemon in debug mode"
https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1248368/+attachment/4132072/+files/log
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https:/
Here's also a strace of gnome-settings-daemon while pressing and
releasing one of the volume keys. I've also checked the other (two)
threads which have no activity upon pressing these keys. gnome-
settings-daemon seems to black-hole these key presses.
** Attachment added: "strace of gnome settin
It seems that 64_micmute.patch is the culpret... this patch adds support
for the microphone mute button, which is fine if you have an input
stream. If you don't have an input stream, the side effect of this
patch is to disable _all_ the buttons, including the ones affecting
output volume - see thi
There are other problems with that patch:
@@-1327,8 +1430,12 @@
g_object_unref (manager->priv->stream);
manager->priv->stream = NULL;
}
+ if (gvc_mixer_stream_get_id (manager->priv->input_stream)
+==
